"Oh-oh, you could try and take us,Oh-oh, but we're the gladiators.Oh-oh, you could try and take us,Oh-oh, but victory's contagious."

Fimmel appears as his character, viking warrior and now leader Ragnar Lothbrok, who shares screen time with the ever-present crow Ragnar sees in the series. A flame burns from Ragnar's eye, while part of his bald head crumbles.

A day after Trevor Noah was declared the new host of "The Daily Show," his graphic tweets targeting women and Jews are causing a social media backlash and Comedy Central is defending its newest late-night star.